2061747131742 has 48 divisors (see below), whose sum is σ = 4499647392240. Its totient is φ = 682245504000.

The previous prime is 2061747131729. The next prime is 2061747131753. The reversal of 2061747131742 is 2471317471602.

2061747131742 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 7 + 471 + 3 + 174 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36002692 + ... + 36059912.

It is an arithmetic number, because the mean of its divisors is an integer number (93742654005).

Almost surely, 2^{2061747131742} is an apocalyptic number.

2061747131742 is an abundant number, since it is smaller than the sum of its proper divisors (2437900260498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061747131742 is a wasteful number, since it uses less digits than its factorization.

2061747131742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71769 (or 71766 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 2061747131742 in words is "two trillion, sixty-one billion, seven hundred forty-seven million, one hundred thirty-one thousand, seven hundred forty-two".